Anytime someone says, "Wandless magic isn't real," I'll show them this:
"DUDLEY, KEEP YOUR MOUTH SHUT! WHATEVER YOU DO, KEEP YOUR MOUTH SHUT! Wand!" Harry muttered franti- cally, his hands flying over the ground like spiders. "Where's — wand — come on — Lumos!"
He said the spell automatically, desperate for light to help him in his search — and to his disbelieving relief, light flared inches from his right hand — the wand tip had ignited. Harry snatched it up, scram- bled to his feet, and turned around.
-Harry Potter Order of the Phoenix, Chapter 1; Dudley Demented: Page 17
TAKE THAT DISBELIVERS!